Influence of temporomandibular disorder on temporal and masseter muscles and occlusal contacts in adolescents: an electromyographic study

Table 3 Mean (SD) of the RMS values (%MVC) of right and left masseter and temporal muscles in individuals without TMD (WG), with mild TMD (MG) and with moderate to severe TMD (MSG)

	WG	MG	MSG	p- value
*Resting position*
Right temporal	2.93 ± 1.53	2.55 ± 1.49	20.61 ± 10.87	<0.001*
Right masseter	2.14 ± 0.81	1.71 ± 0.59	23.85 ± 14.25	<0.001*
Left temporal	3.18 ± 2.17	2.47 ± 1.21	29.11 ± 18.78	<0.001*
Left masseter	2.08 ± 0.63	2.35 ± 1.59	21.89 ± 12.97	<0.001*
*Maximum voluntary clenching*
Right temporal	74.17 ± 8.60	72.20 ± 20.12	68.95 ± 8.37	0.10
Right masseter	67.59 ± 27.41	66.32 ± 66.83	66.83 ± 11.12	0.77
Left temporal	70.49 ± 11.61	75.81 ± 11.50	67.18 ± 12.75	0.21
Left masseter	74.07 ± 12.86	68.40 ± 11.02	64.99 ± 7.94	0.44
*Chewing*
Right temporal	36.83 ± 13.95	42.31 ± 17.29	45.48 ± 13.03	0.32
Right masseter	38.02 ± 15.13	44.44 ± 17.34	46.11 ± 14.15	0.40
Left temporal	38.02 ± 15.13	44.44 ± 17.34	46.11 ± 14.15	0.51
Left masseter	35.03 ± 12.11	44.76 ± 15.94	46.62 ± 18.82	0.15

ISSN: 1471-2474